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picture1_Environmental Issues Ncert Pdf 49582 | Ncert Grade12 Boc Biology Environmental Issues1


picture2_Environmental Issues Ncert Pdf 49582 | Ncert Grade12 Boc Biology Environmental Issues1 picture3_Environmental Issues Ncert Pdf 49582 | Ncert Grade12 Boc Biology Environmental Issues1

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File: Environmental Issues Ncert Pdf 49582 | Ncert Grade12 Boc Biology Environmental Issues1
Class- XII-CBSE-Biology Environmental issues CBSE NCERT Solutions for Class 12 Biology Chapter 16 Back of Chapter Questions 1. What are the various constituents of domestic sewage? Discuss the effects of ...

icon picture PDF Filetype PDF | Posted on 19 Aug 2022 | 2 years ago

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...Class xii cbse biology environmental issues ncert solutions for chapter back of questions what are the various constituents domestic sewage discuss effects discharge on a river solution i faecal matter detergent wastes bacteria and paper fibres ii toxic metal ions organic compounds iii nutrients such as nitrate ammonia phosphate sodium calcium water contains an excess which promotes excessive growth phytoplankton resulting in depletion oxygen reduction concentration presence poisonous result death fishes other living organisms this further makes unsafe consumption by humans animals is one most significant sources severe diseases if left into they can cause typhoid cholera etc human population from disease causing germs excreta detergents decomposing substances list all that you generate at home school or during your trips to places could very easily reduce generation these would be difficult rather impossible produced carton box plastic covers clothes pins plates cans broken glass kitc...
								

							

						
	
												
				
					
					
					
			
					
				
				
		
	

	
		





	

	
				

						

						
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										Category:  Uncategorized / Uncategorized 
										
Posted on: 19 Aug 2022 | 2 years ago
										
										
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Filetype: PDF
										
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